public ErrorReporter(VccOptions opts, string name, IToken tok, double startTime, VerificationErrorHandler errorHandler)
{
this.name = name;
this.startTime = startTime;
this.prevTime = VccCommandLineHost.GetTime();
this.commandLineOptions = opts;
this.proverWarnings = new List <string>();
this.errorHandler = errorHandler;
this.tok = tok;
}
public override void OnProgress(string phase, int step, int totalSteps, double progressEst)
{
if (phase == "done")
{
return;
}
if (double.IsNaN(progressEst))
{
return;
}
if (commandLineOptions != null && commandLineOptions.TimeStats)
{
double now = VccCommandLineHost.GetTime();
double length = now - this.prevTime;
if (length < 0.5)
{
return; // don't even bother reporting
}
this.prevTime = now;
string progressMsg;
if (phase == "VCprove")
{
progressMsg = String.Format("({0}/{1}/{2:0.00}%) ", step, totalSteps - step, progressEst * 100);
}
else if (step != totalSteps || phase != "smoke")
{
progressMsg = String.Format("({0}/{1}) ", step, totalSteps);
}
else
{
progressMsg = String.Format("({0})", step);
}
Logger.Instance.LogProgress(name, phase, progressMsg);
}
}
public override VerificationResult Verify(string funcName)
{
double start = VccCommandLineHost.GetTime();
// Match replacement in Boogie names
string sanitizedFuncName = funcName.Replace('\\', '#');
bool restartProver = false;
bool isolateProof = HasIsolateProofAttribute(funcName);
if (isolateProof)
{
CloseVcGen();
}
if (parent.options.AggressivePruning || isolateProof)
{
restartProver = true;
// this needs to be done before pruning; otherwise call cycles might get hidden
Termination.checkCallCycles(env, currentDecls);
var decls = TransUtil.pruneBy(env, funcName, currentDecls);
var boogieDecls = Translator.translate(funcName, env, () => VccCommandLineHost.StandardPrelude(parent.options), decls);
if (!env.ShouldContinue)
{
return(VerificationResult.UserError);
}
currentBoogie = PrepareBoogie(boogieDecls);
mustRegenerateBoogie = true;
}
else
{
if (mustRegenerateBoogie || currentBoogie == null)
{
var boogieDecls = Translator.translate(null, env, () => VccCommandLineHost.StandardPrelude(parent.options), currentDecls);
if (!env.ShouldContinue)
{
return(VerificationResult.UserError);
}
currentBoogie = PrepareBoogie(boogieDecls);
mustRegenerateBoogie = false;
}
}
Implementation impl = null;
foreach (Declaration decl in currentBoogie.TopLevelDeclarations)
{
impl = decl as Implementation;
if (impl != null && impl.Name == sanitizedFuncName)
{
break;
}
impl = null;
}
if (impl == null)
{
Logger.Instance.Error("cannot find function: {0}", funcName);
return(VerificationResult.UserError);
}
if (this.errorMode || !env.ShouldContinue)
{
return(VerificationResult.UserError);
}
if (impl.SkipVerification)
{
return(VerificationResult.Skipped);
}
Logger.Instance.LogMethodStart(funcName);
string logPath = CommandLineOptions.Clo.SimplifyLogFilePath;
if (logPath != null)
{
logPath = logPath.Replace("@VCCFILE@", TestRunner.currentTestcaseName);
}
if (logPath != null && logPath.Contains("@VCCFUNC@"))
{
logPath = logPath.Replace("@VCCFUNC@", funcName.Replace("$", "_").Replace("^", "_"));
CloseVcGen();
}
string extraFunctionOptions = null;
bool isBvLemmaCheck = IsBvLemmaCheck(impl);
bool skipSmoke = HasSkipSmokeAttr(impl);
if ((parent.options.RunInBatchMode && (extraFunctionOptions = GetExtraFunctionOptions(impl)) != null) || isBvLemmaCheck || skipSmoke)
{
CloseVcGen();
extraFunctionOptions = extraFunctionOptions ?? ""; // this prevents parsing errors in case of bv_lemma checks and will also cause the VcGen to be closed later
VccOptions extraCommandLineOptions = OptionParser.ParseCommandLineArguments(VccCommandLineHost.dummyHostEnvironment, extraFunctionOptions.Split(' ', '\t'), false);
List <string> effectiveOptions = new List <string>(extraCommandLineOptions.BoogieOptions);
effectiveOptions.AddRange(extraCommandLineOptions.Z3Options.Select(z3option => "/z3opt:" + z3option));
effectiveOptions.AddRange(options);
if (isBvLemmaCheck)
{
effectiveOptions.Add("/proverOpt:OPTIMIZE_FOR_BV=true");
effectiveOptions.RemoveAll(opt => opt == "/z3opt:CASE_SPLIT");
effectiveOptions.Add("/z3opt:CASE_SPLIT=1");
}
if (skipSmoke)
{
effectiveOptions.RemoveAll(opt => opt == "/smoke");
}
if (restartProver)
{
effectiveOptions.Add("/restartProver");
}
if (!ReParseBoogieOptions(effectiveOptions, parent.options.RunningFromCommandLine))
{
Logger.Instance.Error("Error parsing extra options '{0}' for function '{1}'", extraFunctionOptions, impl.Name);
return(VerificationResult.UserError);
}
try {
parent.swBoogie.Start();
vcgen = new VC.VCGen(currentBoogie, logPath, CommandLineOptions.Clo.SimplifyLogFileAppend);
} finally {
parent.swBoogie.Stop();
}
}
else if (vcgen == null)
{
// run with default options
ReParseBoogieOptions(options, parent.options.RunningFromCommandLine);
try {
parent.swBoogie.Start();
vcgen = new VC.VCGen(currentBoogie, logPath, CommandLineOptions.Clo.SimplifyLogFileAppend);
} finally {
parent.swBoogie.Stop();
}
}
var reporter = new ErrorReporter(parent.options, impl.Proc.Name, impl.Proc.tok, start, VccCommandLineHost.ErrorHandler);
try {
parent.swVcOpt.Start();
} finally {
parent.swVcOpt.Stop();
}
VC.ConditionGeneration.Outcome outcome;
string extraInfo = null;
try {
parent.swVerifyImpl.Start();
VCGenPlugin plugin = parent.plugin;
outcome = plugin != null?plugin.VerifyImpl(env, vcgen, impl, currentBoogie, reporter) : vcgen.VerifyImplementation(impl, currentBoogie, reporter);
} catch (UnexpectedProverOutputException exc) {
outcome = VC.ConditionGeneration.Outcome.OutOfMemory;
extraInfo = "caused an exception \"" + exc.Message + "\"";
} finally {
parent.swVerifyImpl.Stop();
}
if (extraFunctionOptions != null)
{
CloseVcGen();
}
reporter.PrintSummary(outcome, extraInfo);
modelCount += reporter.modelCount;
switch (outcome)
{
case VC.ConditionGeneration.Outcome.Correct: return(VerificationResult.Succeeded);
case VC.ConditionGeneration.Outcome.Errors: return(VerificationResult.Failed);
case VC.ConditionGeneration.Outcome.Inconclusive: return(VerificationResult.Inconclusive);
case VC.ConditionGeneration.Outcome.OutOfMemory: return(VerificationResult.Crashed);
case VC.ConditionGeneration.Outcome.TimedOut: return(VerificationResult.Crashed);
default: return(VerificationResult.Crashed);
}
}